pull-through
音標['pulθru:] 讀音漢語翻譯
n. 拉動槍膛擦拭布的繩子
英文解釋：
名詞 pull-through:
- cleaning implement consisting of an oily rag attached by a cord to a weight; is pulled through the barrel of a rifle or handgun to clean it
動詞 pull-through:
- continue in existence after (an adversity, etc.)同義詞：survive, pull through, pull round, come through, make it
- bring into safety同義詞：save, carry through, pull through, bring through